Class A scores: tightly clustered near 80. Class B: widely spread 50–100. Comparing SDs
- A
SD_A > SD_B
- B
Cannot tell
- C
SD_A = SD_B
- Dcheck_circle
SD_A < SD_B
Explanation
Wider spread → larger SD; B has larger SD.
Summary Statistics for a Quantitative Variable
AP Statistics· difficulty 3/5
Want 10 more like this — adaptive to your weak spots?